TY JOUR TI Technology of producing different structure microspheres based on ash waste by plasma method KW ash wastes KW microspheres KW electroplasma installation JO Technique and technology of silicates AU Shekhovtsov, V.V. AU Volokitin, O.G. PY 2017 IS 24 PB Individual Entrepreneur Svetlana Vasilievna Samchenko